Perhaps you should try some spelling variations:
communication services » telecommunications services
cell communication » cell communications, oral communication, verbal communication
developpement et » developpement des, developpement de, development east
4 developpement » de developpement, le developpement, et developpement
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation bei » variation des, variation der, variation _
services 4 » services 3.3
et afrique » en afrique, l afrique
does cell » es cell
bei does » being does, behn does, bei der

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typologie der variation bei does cell communication services 4 developpement et afrique.*.